99810477 has 48 divisors (see below), whose sum is σ = 166420800. Its totient is φ = 57127680.

The previous prime is 99810467. The next prime is 99810511. The reversal of 99810477 is 77401899.

It is not a de Polignac number, because 99810477 - 2⁴ = 99810461 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99810427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130777 + ... + 131537.

It is an arithmetic number, because the mean of its divisors is an integer number (3467100).

Almost surely, 2^99810477 is an apocalyptic number.

It is an amenable number.

99810477 is a deficient number, since it is larger than the sum of its proper divisors (66610323).

99810477 is a wasteful number, since it uses less digits than its factorization.

99810477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 99810477 is about 9990.5193558693. The cubic root of 99810477 is about 463.8654686402.

The spelling of 99810477 in words is "ninety-nine million, eight hundred ten thousand, four hundred seventy-seven".